Improvement in time-locks



Z Sheets-Sheet 1.

W. F. KISTLER.

TIME-LOCK. No. 18%,630. Patented Nov. 21, .1876.

2 Sheets-Sheet Z. W. F. KISTLER.

TIME-LOCK. 4,630.

Pagented Nov. 21,1876.

vw Raw llllllmul w UNIT D! M. TERWILLIGER, OF SAME PLACE, AND

PENSBURG, PENNSYLVANIA.

EDMUND J. 'MTGOUNE; OF SHIP- IMPROVEMENT m TIME-LOCKS.

Specification forming part of Letters Patent No. 1 84,630, dated November '21, 1876; application filed.

December 3, 1875.

To a/ll whom it may concern:

Beit known that I, WILLOUGHBY F. Krs'r- LER, of the city of Chicago, Cook county, State of lllinois, have invented new and useful Improvements in Time-Locks, of which the following is a full description, reference being had to the accompanying drawings, in which- Figure l is a front elevation of a time-lock, in combination with a combination-lock; Fig. 2, a front elevation of the time-lock unlocked; Figs. 3, 4, 5, 6, and 7, details. This invention relates to time-locks; and consists in the drop-bolt, having'a section, and combined with a rod and spring, and the lever having arms for holding the spring-section of the drop-bolt, and in the parts hereinafter described, and pointed out by the claims.

In the drawings, A represents the case of the time-lock B, the case of the combinationlock; 0, the section of the door -.bolt frame upon which the time-lock acts; D, the wheel or wheels of the combination-lock; E, the shaft upon which the combination-wheels are located, and by which they are operated by means of a knob, or other suitable device on the opposite side, (not shown F, the lockinghook or dog of the combination-lock; G, the bolt to which the hook or dog F isv attached H, the sliding arm for holding the dog F out of contact with the combination --wheels; I, the lever or pivoted bar for operating the sliding arm H; J, the secondary case of the'timelock K, the cross-bar or thumb-piece for lifting the drop bolt 0; L, the rod running through the drop-bolt M, the spring-section of the drop-bolt; N, the spring around the rod L, for operating the spring-section M; O, the drop-bolt; P, the slides or steady pins for keeping the spring-section M in position; Q, the plate for releasing the springsection M of the drop-bolt; It, the shaft of the arm or lever I; S, the spring, of the shaft R for returning the lever I to position; T, the division-plate, behind which the spring movements are located; U V, the main wheels actuated by the spring movements; W, the intermediate gear wheel connecting the two main wheels; X Y Z, the winding-wheels; Z, the ratchet-wheel p .(t, the arm on the drop 7 bolt 0, projecting through aslot into the case A; b, the notch or step on-the arm I for supporting the dropbolt by means of thearm a; 0,,the arm onthe spring-section M of the drop-bolt 0, projecting through a slot into the case-A; d,,the locking-arm forholding the spring-section M? down; e, the lever for operating the arm 11; f, the head of the lever e g h, the eccentric projections on the plate-Q for operating the arm 0; 11, the point on the plate Qfor setting the time; j, the guide-hook for holding the cocentrics g It in position when inoperation; 7a,:- the winding-post; l, theremovablepin placed on the wheel U; 'm,the anti-friction wheel;

at, the sliding harpivotedto the upper end of the bar 1.; 0, the pivotof the bar a p, the; fixed pin on the wheel U; q, the pin for sup: porting, the inner end of the sliding bar n;- r, the anti-friction collar on the pin q,- s, the slot in the bar a,- t, the ratchet plate or bar on' the wheelU; u, the lip or projection on the" ratchet -plate t; 'v, the=teeth or notches on: the under section U of the wheel U; w, the bridge. for supporting the winding-post It; a, the pawl; y, the spring for operating the pawl z, the book of the bar H; a, the pin on the hook F, which connects with the hook z for the purpose of holdingthelocking-hook Font of contact'with the wheel D;-a/, the shafts through-which the clock workor spring motor operates the wheels U V; b, the pin forholding the plate Q in position; 0, the stud for lifting the plate Q, and disengaging thez-pin b; d, the weight on the-bar l.

The case B, together with the several parts of the combinationlock, except the hook or dog F and bar H,. are made-in any of theusual or well-known forms. The case A is madeof any suitable size,.and is'providedwith a par tition-plate, 'l. Between this-'plate'T and the back of the main case- A islocated the time. movements, which are operated by means of springs, it being, designed to: use two,.one for driving the wheel U and one for driving; the wheel. V, but, as they are made-in" any of'the usual: forms of clock or watch works, the movements are not shown or described. On the main shafts a of the movements, which project through the plate '13, the wheels U V and in detail in Figs. 4and 5. Thelower portion U of the wheel is provided with a series of teeth or projections, 12, which engage with a spring-pawl, t u, of the other section, as shown in said Figs. 3, 4, and 5. By this construction of the wheels they can either or both of them be turned forward freely for the purpose of setting the time arrangement at any I desired hour without interfering with the main movements. It also permits thewinding of both sets of main movements from a single winding-stem, 70, through the intermediate wheelsX Y.

The wheel U is provided with a cross-plate, Q, which plate is provided at its end with eecentrics or inclines g h for the purpose of operating the lever e, and also with a point, 11,2

for adjusting the plate in reference to the dialwheel U, and the time for operating the looking devices. It is obvious that any other part of the plate Q may be used for this purpose; but, in order to prevent mistakes, it is preferable to use a separate point for that purpose. The wheel U is provided with two pins, land 1), which come in contact with the anti-friction wheel m, for the purpose of operating the bar I. The pin 19 is permanently attached to the wheel, and the pin lis made removable for the purpose hereinafter explained. The lever e is pivoted to the plate T, and is provided with an arm or stop, (1, which stop comes in contact with an arm or projection, c, which is connected with the springsection M of the dropbolt 0.

The anti-friction wheel m is journaled on a sliding bar, a, which sliding bar is supported on its inner end by the pin g, which is provided with an anti-friction collar, 1'. The outer end of the bar a is .pivoted to the upper end of :tEl ie b7ar I by a stud or projection, as shown at The bar I is pivoted to the main caseA and to the plate T by means of a shaft, R, which is provided with a spring, S, to return the bar I to its original position wheneverit is moved by the barn. This bar I, at its lower end, is

'pivoted to the bar -H, and is also provided with a notch or step, b, which engages with thearm'or pin a of the drop-bolt O. The bar H is provided with a catch or hook, 2, into which the pin 2 enters when the bolt of the combination-lock is thrown out, and the hook F lifted from its notch inthe wheel D.

The drop boltO is made in two sections.

:The sprlng-section M is supported on a rod,

L, which passes through the held in place partly by the 1y by the two sliding rods drop-bolt, and is case J and partor steady-pins P.

connected with the section O.

The rod L is surrounded by ahelical spring, N, which forces the section M upward when the door is to be locked by the bolt or bolts The parts inclosed and in connection with change made by cutting the lever I off at the through it, as shown; and, when used in connection with a combination-lock, the additional case J and the drop-bolt arrangement may be omitted, and, when so omitted, its offices hook F. l

The pin z on the hook F operates to engage with the hook z of the slide-bar H, and

wheels D.

.The bar-I is provided with a weight, (1, so that, when the lock is placed in a verticalposition, the bar will be more evenly balanced, and so that in any position the weight will act as a counter-balance, so as to avoid the necessity of making the spring S so strong tion of the wheel U on the bar n. The weight'also aids in keeping the bar I in position when heavy blows are applied to the outside of the safe.

up by a single key applied to the post K, and the time at l which the lock is to be opened or closed is indicated on the dial by the,;pointi on the plate Q, which is a spring'plate, and is set by lifting the end by the'knob c, which disengages the short, pin b i from the wheel U, so that the plate Q can be turned freely in either direction without disturbing the movements. When the plate Q is in the desired position the end is released, when the pin b engages with the and holds the plate Q in place. The dropbolt 0 is then pressed up in the position shown in Fig. 1. As the wheel U progresses, one of the inclines g or'h lifts the lever e, which disengages the arm d from the arm or projection c, which allows the section M of the drop-bolt t) to spring up into the position indicated by the dotted lines in Fig. 1, when the bolt is locked. The drop-bolt 0 will remain in this position until one of the pins or lcomes in contact with the anti-friction wheel m, which pin crowds, through the bar a, the upper end of the bar I over, which reon the arm I, when the bolt 0 drops to the position shown in Fig. 2, in which position the bolt 0 can be withdrawn from its connections, and the safe or vault to which it is applied can be opened. I

The pins 10 Zare arranged to drive the bar nonce in twenty-four hours. The pin 1 can be withdrawn, and, when withdrawn, the operation will only be repeated once in fortyeight hours. This pin lis withdrawn Saturthe case-A constitute; a separate and complete lock, and maybe used without being combined with any other lock, with only the lower edge of the case A, instead otpassing are performed by the sliding bar H and the holds. the hook F out of contact with the as togive unnecessary resistance to the ac- In operation, the entire movement is wound,

gear-teeth of the wheel U,

leases the arm or projection on from the step b days, which will carry the lock over until Monday, when the pin is again inserted.

By the use of the intermediate wheel W the power of both of the driving mechanisms is applied to the bar a by a. single pin. If desired, the bar n can be extended back to the wheel V, so as to take a separate action from each wheel, by inserting similar pins in the wheel V; but it'is preferred to make the lock with the intermediate wheel W, as shown, as with that wheel the double motor is made to act with the certainty and uniformity of a single one, as neither can get in advance of the other.

The motors or clock-works are to be made of sufficient power, so that either will operate the lock in case the other should become disabled. The motors to be used should be, at

least, of an eight-day movement, so as to be wound only on Saturdays, and by winding both from a single stem at the same time, neither one can be left unwound.

What I claim as new, and desire to secure by Letters Patent, is as follows 1. The drop-bolt 0, provided with the section M, in combination with the rod L and spring N, substantially as and for the purpose specified.

2. The combination of the lever 0, provided with an arm, d, with the arm 0, for holding the spring-section M of the drop-bolt in position, substantially as specified.

WILLOUGHBY F. KISTLER.

Witnesses:

L. L. BOND, O. W. BOND. 

